Yamaha m 2000

Page 1

MIXING CONSOLE/POWER SUPPLY
M 2000
@WEOOOM

I CONTENTS (3 at)

SPECIFICATIONS (IRS IiIEfi) .............................................. 2/5
DIMENSIONS (TISEI) .8
PANEL LAYOUT (Kim/I77"; I~) .................................... 9
CIRCUIT BOARD LAYOUT & WIRING

(11v I w 7'") I tEIfiIEIRIZI) .................................... 20
DISASSEMBLY PROCEDURE (fiflfllfi) . ....... 22
LSI PIN DESCRIPTION (LSIIHIIEREfi) 36
IC BLOCK DIAGRAM (I07 I: y 7.) ................ 37
INSPECTIONS (IRE) ................................... 39/55
TEST PROGRAM (5-K I~7°U75A) ....... 51/65
ERROR MESSAGES (I 5 - x .y t - =1) ...54/67
MIDI IMPLEMENTATION CHART ............................................. 68

CIRCUIT BOARD & CIRCUIT DIAGRAM
> (>- hgfilltlfilflg) ............................................ 69
PA HAMAMATSU. JAPAN

199403204 1000004 6 199403204 600000-32

19940320135000024 199403201 850000410 2'65 @ MED '" JAPAN '9

MZOOOIPWZOOOM

Page 2

M2000/PW2000M

IMPORTANT NOTICE

This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic
service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users,
and have therefore not been restated.

WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in personal
injury, destruction of expensive components and failure of the product to perform as specified. For these
reasons, we advise all Yamaha product owners that all service required should be performed by an authorized
Yamaha Retailer or the appointed service representative.

IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization, certification,
recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form.

The data provided ls believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and service
departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in
specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the dis-
tributor's Service Division.

WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).

IMPORTANT: Turn the unit OFF during disassembly and parts replacement. Recheck a_l| work before you apply power to the
unit.

This product uses a lithium battery for memory back-up.

WARNING: Lithium batteries are dangerous because they can be exploded by Improper handling. Observe the following
precautions when handling or replacing lithium batteries.

Leave battery replacement to qualified service personnel.

Always replace with batteries of the same type.

When installing on the PC board, solder using the connection terminals provided on the battery cells.
Never solder directly to the cells. Perform the soldering as quickly as possible.

Never reverse the battery polarities when installing.

Do not short the batteries.

Do not attempt to recharge these batteries.

Do not disassemble the batteries.

Never heat batteries or throw them into fire.

ADVARSEL!

Lithiumbatteri. Eksplosionsfare.
Udskiflning ma kun foretages af en sagkyndig, 09 Sam beskrevet i servicemanualen.

WARNING: CHEMICAL CONTENT NOTICE!

The solder used in the production of this product contains LEAD. in addition, other electrical/electronic and/or plastic (where applicable)
components may also contain traces of chemicals found by the Califomia Health and Welfare Agency (and possibly other entities) to
cause cancer and/or birth defects or other reproduct'we harm.

DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR
ANY REASON WHAT SO EVER! '

Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to
solder/flux vapori

If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food.

I WARNING .
Components having special characteristics are marked A and must be replaced
with parts having specifications equal to those originally installed.

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